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#include "emu.h"
#include "video/konicdev.h"
#include "includes/parodius.h"
/***************************************************************************
Callbacks for the K052109
***************************************************************************/
void parodius_tile_callback( running_machine &machine, int layer, int bank, int *code, int *color, int *flags, int *priority )
{
parodius_state *state = machine.driver_data<parodius_state>();
*code |= ((*color & 0x03) << 8) | ((*color & 0x10) << 6) | ((*color & 0x0c) << 9) | (bank << 13);
*color = state->m_layer_colorbase[layer] + ((*color & 0xe0) >> 5);
}
/***************************************************************************
Callbacks for the K053245
***************************************************************************/
void parodius_sprite_callback( running_machine &machine, int *code, int *color, int *priority_mask )
{
parodius_state *state = machine.driver_data<parodius_state>();
int pri = 0x20 | ((*color & 0x60) >> 2);
if (pri <= state->m_layerpri[2])
*priority_mask = 0;
else if (pri > state->m_layerpri[2] && pri <= state->m_layerpri[1])
*priority_mask = 0xf0;
else if (pri > state->m_layerpri[1] && pri <= state->m_layerpri[0])
*priority_mask = 0xf0 | 0xcc;
else
*priority_mask = 0xf0 | 0xcc | 0xaa;
*color = state->m_sprite_colorbase + (*color & 0x1f);
}
/***************************************************************************
Start the video hardware emulation.
***************************************************************************/
SCREEN_UPDATE( parodius )
{
parodius_state *state = screen->machine().driver_data<parodius_state>();
int layer[3], bg_colorbase;
bg_colorbase = k053251_get_palette_index(state->m_k053251, K053251_CI0);
state->m_sprite_colorbase = k053251_get_palette_index(state->m_k053251, K053251_CI1);
state->m_layer_colorbase[0] = k053251_get_palette_index(state->m_k053251, K053251_CI2);
state->m_layer_colorbase[1] = k053251_get_palette_index(state->m_k053251, K053251_CI4);
state->m_layer_colorbase[2] = k053251_get_palette_index(state->m_k053251, K053251_CI3);
k052109_tilemap_update(state->m_k052109);
layer[0] = 0;
state->m_layerpri[0] = k053251_get_priority(state->m_k053251, K053251_CI2);
layer[1] = 1;
state->m_layerpri[1] = k053251_get_priority(state->m_k053251, K053251_CI4);
layer[2] = 2;
state->m_layerpri[2] = k053251_get_priority(state->m_k053251, K053251_CI3);
konami_sortlayers3(layer, state->m_layerpri);
bitmap_fill(screen->machine().priority_bitmap, cliprect, 0);
bitmap_fill(bitmap, cliprect, 16 * bg_colorbase);
k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, layer[0], 0,1);
k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, layer[1], 0,2);
k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, layer[2], 0,4);
k053245_sprites_draw(state->m_k053245, bitmap, cliprect);
return 0;
}
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